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| 1 | 1 |
| 2 /* | 2 /* |
| 3 * Copyright 2014 Google Inc. | 3 * Copyright 2014 Google Inc. |
| 4 * | 4 * |
| 5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
| 6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
| 7 */ | 7 */ |
| 8 | 8 |
| 9 #ifndef GrResourceKey_DEFINED | 9 #ifndef GrResourceKey_DEFINED |
| 10 #define GrResourceKey_DEFINED | 10 #define GrResourceKey_DEFINED |
| 11 | 11 |
| 12 #include "GrTypes.h" | 12 #include "GrTypes.h" |
| 13 #include "SkData.h" | |
| 14 #include "SkOnce.h" | 13 #include "SkOnce.h" |
| 15 #include "SkTemplates.h" | 14 #include "SkTemplates.h" |
| 16 | 15 |
| 17 uint32_t GrResourceKeyHash(const uint32_t* data, size_t size); | 16 uint32_t GrResourceKeyHash(const uint32_t* data, size_t size); |
| 18 | 17 |
| 19 /** | 18 /** |
| 20 * Base class for all GrGpuResource cache keys. There are two types of cache key
s. Refer to the | 19 * Base class for all GrGpuResource cache keys. There are two types of cache key
s. Refer to the |
| 21 * comments for each key type below. | 20 * comments for each key type below. |
| 22 */ | 21 */ |
| 23 class GrResourceKey { | 22 class GrResourceKey { |
| (...skipping 207 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 231 | 230 |
| 232 GrUniqueKey(const GrUniqueKey& that) { *this = that; } | 231 GrUniqueKey(const GrUniqueKey& that) { *this = that; } |
| 233 | 232 |
| 234 /** reset() returns the key to the invalid state. */ | 233 /** reset() returns the key to the invalid state. */ |
| 235 using INHERITED::reset; | 234 using INHERITED::reset; |
| 236 | 235 |
| 237 using INHERITED::isValid; | 236 using INHERITED::isValid; |
| 238 | 237 |
| 239 GrUniqueKey& operator=(const GrUniqueKey& that) { | 238 GrUniqueKey& operator=(const GrUniqueKey& that) { |
| 240 this->INHERITED::operator=(that); | 239 this->INHERITED::operator=(that); |
| 241 this->setCustomData(that.getCustomData()); | |
| 242 return *this; | 240 return *this; |
| 243 } | 241 } |
| 244 | 242 |
| 245 bool operator==(const GrUniqueKey& that) const { | 243 bool operator==(const GrUniqueKey& that) const { |
| 246 return this->INHERITED::operator==(that); | 244 return this->INHERITED::operator==(that); |
| 247 } | 245 } |
| 248 bool operator!=(const GrUniqueKey& that) const { return !(*this == that); } | 246 bool operator!=(const GrUniqueKey& that) const { return !(*this == that); } |
| 249 | 247 |
| 250 void setCustomData(const SkData* data) { | |
| 251 SkSafeRef(data); | |
| 252 fData.reset(data); | |
| 253 } | |
| 254 const SkData* getCustomData() const { | |
| 255 return fData.get(); | |
| 256 } | |
| 257 | |
| 258 class Builder : public INHERITED::Builder { | 248 class Builder : public INHERITED::Builder { |
| 259 public: | 249 public: |
| 260 Builder(GrUniqueKey* key, Domain domain, int data32Count) | 250 Builder(GrUniqueKey* key, Domain domain, int data32Count) |
| 261 : INHERITED::Builder(key, domain, data32Count) {} | 251 : INHERITED::Builder(key, domain, data32Count) {} |
| 262 | 252 |
| 263 /** Used to build a key that wraps another key and adds additional data.
*/ | 253 /** Used to build a key that wraps another key and adds additional data.
*/ |
| 264 Builder(GrUniqueKey* key, const GrUniqueKey& innerKey, Domain domain, | 254 Builder(GrUniqueKey* key, const GrUniqueKey& innerKey, Domain domain, |
| 265 int extraData32Cnt) | 255 int extraData32Cnt) |
| 266 : INHERITED::Builder(key, domain, Data32CntForInnerKey(innerKey) + e
xtraData32Cnt) { | 256 : INHERITED::Builder(key, domain, Data32CntForInnerKey(innerKey) + e
xtraData32Cnt) { |
| 267 SkASSERT(&innerKey != key); | 257 SkASSERT(&innerKey != key); |
| 268 // add the inner key to the end of the key so that op[] can be index
ed normally. | 258 // add the inner key to the end of the key so that op[] can be index
ed normally. |
| 269 uint32_t* innerKeyData = &this->operator[](extraData32Cnt); | 259 uint32_t* innerKeyData = &this->operator[](extraData32Cnt); |
| 270 const uint32_t* srcData = innerKey.data(); | 260 const uint32_t* srcData = innerKey.data(); |
| 271 (*innerKeyData++) = innerKey.domain(); | 261 (*innerKeyData++) = innerKey.domain(); |
| 272 memcpy(innerKeyData, srcData, innerKey.dataSize()); | 262 memcpy(innerKeyData, srcData, innerKey.dataSize()); |
| 273 } | 263 } |
| 274 | 264 |
| 275 private: | 265 private: |
| 276 static int Data32CntForInnerKey(const GrUniqueKey& innerKey) { | 266 static int Data32CntForInnerKey(const GrUniqueKey& innerKey) { |
| 277 // key data + domain | 267 // key data + domain |
| 278 return SkToInt((innerKey.dataSize() >> 2) + 1); | 268 return SkToInt((innerKey.dataSize() >> 2) + 1); |
| 279 } | 269 } |
| 280 }; | 270 }; |
| 281 | |
| 282 private: | |
| 283 SkAutoTUnref<const SkData> fData; | |
| 284 }; | 271 }; |
| 285 | 272 |
| 286 /** | 273 /** |
| 287 * It is common to need a frequently reused GrUniqueKey where the only requireme
nt is that the key | 274 * It is common to need a frequently reused GrUniqueKey where the only requireme
nt is that the key |
| 288 * is unique. These macros create such a key in a thread safe manner so the key
can be truly global | 275 * is unique. These macros create such a key in a thread safe manner so the key
can be truly global |
| 289 * and only constructed once. | 276 * and only constructed once. |
| 290 */ | 277 */ |
| 291 | 278 |
| 292 /** Place outside of function/class definitions. */ | 279 /** Place outside of function/class definitions. */ |
| 293 #define GR_DECLARE_STATIC_UNIQUE_KEY(name) SK_DECLARE_STATIC_ONCE(name##_once) | 280 #define GR_DECLARE_STATIC_UNIQUE_KEY(name) SK_DECLARE_STATIC_ONCE(name##_once) |
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| 312 fKey = that.fKey; | 299 fKey = that.fKey; |
| 313 return *this; | 300 return *this; |
| 314 } | 301 } |
| 315 | 302 |
| 316 const GrUniqueKey& key() const { return fKey; } | 303 const GrUniqueKey& key() const { return fKey; } |
| 317 | 304 |
| 318 private: | 305 private: |
| 319 GrUniqueKey fKey; | 306 GrUniqueKey fKey; |
| 320 }; | 307 }; |
| 321 #endif | 308 #endif |
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